CN105240163A - Concentration-changeable electronic control gas mixing device - Google Patents
Concentration-changeable electronic control gas mixing device Download PDFInfo
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- CN105240163A CN105240163A CN201510754213.8A CN201510754213A CN105240163A CN 105240163 A CN105240163 A CN 105240163A CN 201510754213 A CN201510754213 A CN 201510754213A CN 105240163 A CN105240163 A CN 105240163A
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- gas
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- gas mixing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The invention discloses a concentration-changeable electronic control gas mixing device. The concentration-changeable electronic control gas mixing device comprises a body. A first gas inlet is formed in one end of the body, a gas outlet is formed in the other end of the body, a second gas inlet is formed in the top of the body, a third gas inlet is formed in the bottom of the body, and a cavity is formed in the body. Flow valve elements are movably connected to the parts, on the bottom of the second gas inlet and on the top of the third gas inlet, in the cavity through shaft pins and are connected with a connecting rod mechanism, and the connecting rod mechanism is connected with a servo motor through a spherical nut. The applicability of the concentration-changeable electronic control gas mixing device is improved, the concentration range of applicable gas is wide, and gas power stations can be used on the conditions of low-concentration gas and high-concentration gas; less greenhouse gas is emitted, and the utilization efficiency of the energy is improved at the same time; the energy is saved, the consumption is reduced, the control accuracy can be guaranteed on the condition of various kinds of concentration, and the economical efficiency of the gas can be greatly improved; the reliability is high, an integrated electronic control system is adopted, the number of fault points is small, and the responsiveness is high.
Description
Technical field
Patent of the present invention relates to a kind of control gas engine, mixes, accurately control a kind of device of air fuel ratio under the combustion gas condition of different calorific value with air.
Background technique
Gaseous propellant engine, for the fuel gas of different calorific value, domestic and generally in the world adopts following several combustion gas control technique scheme: calorific value≤10MJ/Nm3, adopts two butterfly valve; 10MJ/Nm3≤calorific value≤18MJ/Nm3, adopts Venturi tube mixing arrangement; Calorific value > 18MJ/Nm3, adopts diaphragm type mixing arrangement or nozzle; In actual applications, all require that fuel gases calorific value fluctuates and need control a less scope, overrun several scheme use, and motor Economy, reliability etc. are had a strong impact on, and majority can not use; Such as inlet gas motor is by the impact of mixing arrangement, and methane content requires >=30%, about 10.5MJ/Nm3, can not use under low concentration gas condition;
Mixing arrangement of the present invention: by combustion gas ingredient analysis, automatically controlled mixing arrangement aperture and gaseous-pressure control, and the feedback closed loop of engine combustion situation controls, realize the air fuel ratio of motor under gas concentration wide variation accurately to control, a kind of scheme solves the problem that above-mentioned several scheme can not be taken into account.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, a kind of Variable Composition electric-controlled gas mixing arrangement is provided, adopts motor-driven valve core to control aperture, automatically controlled pressure governor pilot pressure, sensor closed loop concentration, realizes the air fuel ratio of motor under gas concentration wide variation and accurately controls.
In order to solve the problems of the technologies described above, the invention provides following technological scheme:
The invention provides a kind of Variable Composition electric-controlled gas mixing arrangement, comprise body, one end of described body is provided with the first suction port, the other end of described body is provided with air outlet, the top of described body is provided with the second suction port, the bottom of described body is provided with the 3rd suction port, the inside of described body is provided with cavity, in described cavity and the top being positioned at the bottom of the second suction port and the 3rd suction port is all flexibly connected flow spool by pivot pin, described flow spool connects linkage mechanism, and described linkage mechanism connects actuating motor by spherical nut.
As a preferred technical solution of the present invention, described first suction port, described air outlet, described second suction port and described 3rd suction port are all communicated in cavity.
As a preferred technical solution of the present invention, described body is variable Venturi tube.
As a preferred technical solution of the present invention, described flow spool is provided with seal ring and the middle gas chamber with cavity connects.
As a preferred technical solution of the present invention, the quantity of described flow spool is at least two.
As a preferred technical solution of the present invention, described actuating motor is electrically connected electric machine control system by surface-mounted integrated circuit, and described surface-mounted integrated circuit is electrically connected sensor.
The beneficial effect that the present invention reaches is:
1, applicability improves: because applicable gas concentration scope is wide, as gas power station can take into account low density and high concentration gas situation under use; The discharge of less greenhouse gases, improves efficiency of energy utilization simultaneously;
2, energy-saving and cost-reducing: under various concentration conditions, control accuracy all can ensure, combustion gas Economy will improve greatly;
3, reliability is high: adopt integrated electric Ore-controlling Role, fault point is few, and responsiveness is fast;
4, compact structure, automatic controlling level are high, install, debugging, simple operation.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is left TV structure schematic diagram of the present invention;
Fig. 3 is modular structure schematic diagram of the present invention;
Number in the figure: 1, body; 2, the first suction port; 3, air outlet; 4, the second suction port; 5, the 3rd suction port; 6, cavity; 7, pivot pin; 8, flow spool; 801, seal ring; 802, middle gas chamber; 9, linkage mechanism; 10, spherical nut; 11, actuating motor; 12, intergrated circuit; 13, electric machine control system; 14, sensor.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment: as shown in Figure 1-2, the invention provides a kind of Variable Composition electric-controlled gas mixing arrangement, comprise body 1, one end of body 1 is provided with the first suction port 2, the other end of body 1 is provided with air outlet 3, the top of body 1 is provided with the second suction port 4, the bottom of body 1 is provided with the 3rd suction port 5, the inside of body 1 is provided with cavity 6, in cavity 6 and the top of the bottom and the 3rd suction port 5 that are positioned at the second suction port 4 is all flexibly connected flow spool 8 by pivot pin 7, flow spool 8 connects linkage mechanism 9, linkage mechanism 9 connects actuating motor 11 by spherical nut 10.
Further, the first suction port 2, air outlet 3, second suction port 4 and the 3rd suction port 5 are all communicated in cavity 6; Body 1 is variable Venturi tube; The middle gas chamber 802 flow spool 8 being provided with seal ring 801 and being communicated with cavity 6; The quantity of flow spool 8 is at least two.
Air enters in the cavity 6 in body 1 from the first suction port 2, combustion gas enters middle gas chamber 802 through two kinds of automatically controlled pressure governors from the second suction port 5 and the 3rd suction port 5, then is entered in cavity 6 by multiple flow spool 8 adjustment, mixes with air.
As shown in Figure 3, actuating motor 11 is electrically connected electric machine control system 13 by surface-mounted integrated circuit 12, surface-mounted integrated circuit 12 is electrically connected sensor 14, the gas concentration feedback signal that surface-mounted integrated circuit 12 is collected by sensor 14, by the positive and negative rotation angle of electric machine control system 13 closed loop control actuating motor 11, drag spherical nut 10 and move forward and backward, opened by the push pull maneuver of linkage mechanism 9 or close flow spool 8, control gas flow, realize air and combustion gas air-fuel ratio regulation.
When fuel gases calorific value reduces, along with flow spool 8 is progressively opened, the gas flow entered in cavity 6 progressively increases, and the flow spool 8 opened progressively can stop and be reduced by the air mass flow in body 1, otherwise, when calorific value rises, along with flow spool 8 is progressively closed, the gas flow entered in cavity 6 progressively reduces, and is progressively increased by the air mass flow of body 1, until air fuel ratio meets engine operating condition demand.
Applicability of the present invention improves, because applicable gas concentration scope is wide, as gas power station can take into account low density and high concentration gas situation under use; The discharge of less greenhouse gases, improves efficiency of energy utilization simultaneously; Energy-saving and cost-reducing, under various concentration conditions, control accuracy all can ensure, combustion gas Economy will improve greatly; Reliability is high, and adopt integrated electric Ore-controlling Role, fault point is few, and responsiveness is fast; Compact structure, automatic controlling level are high, installation, debugging, simple operation.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a Variable Composition electric-controlled gas mixing arrangement, comprise body (1), it is characterized in that, one end of described body (1) is provided with the first suction port (2), the other end of described body (1) is provided with air outlet (3), the top of described body (1) is provided with the second suction port (4), the bottom of described body (1) is provided with the 3rd suction port (5), the inside of described body (1) is provided with cavity (6), in described cavity (6) and the top being positioned at the bottom (4) of the second suction port and the 3rd suction port (5) is all flexibly connected flow spool (8) by pivot pin (7), described flow spool (8) connects linkage mechanism (9), described linkage mechanism (9) connects actuating motor (11) by spherical nut (10).
2. a kind of Variable Composition electric-controlled gas mixing arrangement according to claim 1, is characterized in that, described first suction port (2), described air outlet (3), described second suction port (4) and described 3rd suction port (5) are all communicated in cavity (6).
3. a kind of Variable Composition electric-controlled gas mixing arrangement according to claim 1, is characterized in that, described body (1) is variable Venturi tube.
4. a kind of Variable Composition electric-controlled gas mixing arrangement according to claim 1, is characterized in that, the middle gas chamber (802) described flow spool (8) being provided with seal ring (801) and being communicated with cavity (6).
5. a kind of Variable Composition electric-controlled gas mixing arrangement according to claim 4, is characterized in that, the quantity of described flow spool (8) is at least two.
6. a kind of Variable Composition electric-controlled gas mixing arrangement according to claim 1, it is characterized in that, described actuating motor (11) is electrically connected electric machine control system (13) by surface-mounted integrated circuit (12), and described surface-mounted integrated circuit (12) is electrically connected sensor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510754213.8A CN105240163A (en) | 2015-11-09 | 2015-11-09 | Concentration-changeable electronic control gas mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510754213.8A CN105240163A (en) | 2015-11-09 | 2015-11-09 | Concentration-changeable electronic control gas mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240163A true CN105240163A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510754213.8A Pending CN105240163A (en) | 2015-11-09 | 2015-11-09 | Concentration-changeable electronic control gas mixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532102A (en) * | 2021-06-29 | 2021-10-22 | 山东莱钢永锋钢铁有限公司 | Automatic air-fuel ratio device of rotary kiln |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202300714U (en) * | 2011-11-10 | 2012-07-04 | 黄国华 | Gas mixer capable of being adapted to change of coalbed gas concentration to control air-gas ratio |
| WO2014040607A1 (en) * | 2012-09-12 | 2014-03-20 | Mwm Gmbh | Gas mixer for internal combustion engines |
| CN203925808U (en) * | 2014-03-14 | 2014-11-05 | 常州舒迪赛尔动力科技有限公司 | A kind of venturi air inlet system that adapts to kinds of gas sources |
| CN104534505A (en) * | 2014-12-31 | 2015-04-22 | 重庆川然节能技术有限公司 | Energy-saving and safe burning control system and method |
| CN205117543U (en) * | 2015-11-09 | 2016-03-30 | 成都安美科燃气技术股份有限公司 | Automatically controlled gas mixing arrangement of thickened degree |
-
2015
- 2015-11-09 CN CN201510754213.8A patent/CN105240163A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202300714U (en) * | 2011-11-10 | 2012-07-04 | 黄国华 | Gas mixer capable of being adapted to change of coalbed gas concentration to control air-gas ratio |
| WO2014040607A1 (en) * | 2012-09-12 | 2014-03-20 | Mwm Gmbh | Gas mixer for internal combustion engines |
| CN104641098A (en) * | 2012-09-12 | 2015-05-20 | 卡特彼勒能源方案有限公司 | Gas mixer for internal combustion engines |
| CN203925808U (en) * | 2014-03-14 | 2014-11-05 | 常州舒迪赛尔动力科技有限公司 | A kind of venturi air inlet system that adapts to kinds of gas sources |
| CN104534505A (en) * | 2014-12-31 | 2015-04-22 | 重庆川然节能技术有限公司 | Energy-saving and safe burning control system and method |
| CN205117543U (en) * | 2015-11-09 | 2016-03-30 | 成都安美科燃气技术股份有限公司 | Automatically controlled gas mixing arrangement of thickened degree |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532102A (en) * | 2021-06-29 | 2021-10-22 | 山东莱钢永锋钢铁有限公司 | Automatic air-fuel ratio device of rotary kiln |
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Application publication date: 20160113 |
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